70255738 has 16 divisors (see below), whose sum is σ = 120803904. Its totient is φ = 30018240.

The previous prime is 70255733. The next prime is 70255739. The reversal of 70255738 is 83755207.

It is a junction number, because it is equal to n+sod(n) for n = 70255697 and 70255706.

It is not an unprimeable number, because it can be changed into a prime (70255733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728 + ... + 12163.

It is an arithmetic number, because the mean of its divisors is an integer number (7550244).

Almost surely, 2^70255738 is an apocalyptic number.

70255738 is a deficient number, since it is larger than the sum of its proper divisors (50548166).

70255738 is a wasteful number, since it uses less digits than its factorization.

70255738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15237.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 70255738 is about 8381.8696005128. The cubic root of 70255738 is about 412.6298101404.

The spelling of 70255738 in words is "seventy million, two hundred fifty-five thousand, seven hundred thirty-eight".